.site-header {
    position: relative;
    // margin-right: 50px;
    width: 100%;

    .site-header-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 100px;
        position: relative;
        box-sizing: border-box;


        .header-logo {
            background: url(//s02.mifile.cn/assets/static/image/logo-mi2.png) no-repeat;
            background-size: 56px;
            -webkit-transform: translateZ(0);
            transform: translateZ(0);
            height: 56px;
            width: 56px;
        }

        nav {
            display: flex;
            height: 100px;
            align-items: center;

            li {
                display: flex;
                align-items: center;
                height: 80px;
                cursor: pointer;

                a {
                    font-size: 16px;
                    color: #333;
                    padding: 6px;

                }

                &:hover a {
                    color: #ff6700;
                }
            }

        }

        .header-search {

            .active {
                border: 1px solid #ff6700 !important;
            }

            .search-form {
                position: relative;

                input {
                    height: 48px;
                    width: 296px;
                    padding: 0 10px;
                    border: 1px solid #e0e0e0;
                    transition: all .2s;
                    outline: none;
                }

                i {
                    position: absolute;
                    right: 0;
                    top: 0;
                    width: 50px;
                    height: 46px;
                    font-size: 24px;
                    line-height: 46px;
                    border: 1px solid #e0e0e0;
                    transition: all .2s;
                    // z-index: 3;

                    &:hover {
                        cursor: pointer;
                        background-color: #ff6700;
                        color: #fff;
                    }

                    &::before {
                        margin-left: 12px;
                    }
                }

                .search-drop {
                    position: absolute;
                    top: 48px;
                    transition: all .2s linear;
                    width: 243px;
                    display: none;
                    flex-direction: column;
                    border-bottom: 1px solid #ff6700;
                    border-left: 1px solid #ff6700;
                    border-right: 1px solid #ff6700;
                    z-index: 3;
                    background-color: #fff;

                    span {
                        padding: 5px 5px 5px 10px;
                        color: #424242;
                        cursor: pointer;

                        &:hover {
                            background-color: #fafafa;
                        }
                    }
                }
            }
        }

    }

    .active {
        box-shadow: 0 3px 4px rgba(0, 0, 0, .18);
        transition: box-shadow .2s, height .4s;
        border-top: 1px solid #e0e0e0;
    }

    .nav-slide-down {
        position: absolute;
        margin: auto;
        top: 100px;
        width: 100%;
        height: 0;
        display: flex;
        overflow: hidden;
        z-index: 50;
        background-color: #fff;

        .nav-slide-down-wrapper {

            .item {
                position: absolute;
                display: none;

                li {

                    a {
                        display: flex;
                        flex-direction: column;
                        align-items: center;
                        padding: 30px;

                        img {
                            padding-bottom: 15px;
                        }

                        span {
                            padding: 1px;
                            color: #757575;
                        }


                        span:nth-last-of-type(1) {
                            color: orangered;
                        }
                    }
                }

                .sep {
                    border: .5px solid #E0E0E0;
                    height: 100px;
                    margin-top: 30px;
                    background-color: #E0E0E0;

                    &:nth-last-of-type(1) {
                        border: none;
                    }
                }
            }
        }
    }
}